From e50ead480fac63ede9e0b656cd29c1820f7af9de Mon Sep 17 00:00:00 2001
From: Fabian Frederick <fabf@skynet.be>
Date: Tue, 5 May 2015 13:23:22 -0500
Subject: [PATCH] gfs2: convert simple_str to kstr

-Remove obsolete simple_str functions.
-Return error code when kstr failed.
-This patch also calls functions corresponding to destination type.

Thanks to Alexey Dobriyan for suggesting improvements in
block_store() and wdack_store()

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
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